import os
import sys
import rtconfig

RTT_ROOT = os.path.join(Dir('#').get_abspath(), 'rt-thread')
if os.path.exists(RTT_ROOT) == False:
    if os.getenv('RTT_ROOT'):
        RTT_ROOT = os.getenv('RTT_ROOT')

if os.path.exists(RTT_ROOT) == False:
    print 'RTT_ROOT not found.'
    exit(0)

print 'RTT_ROOT is: %s' %(RTT_ROOT)

sys.path = sys.path + [os.path.join(RTT_ROOT, 'tools')]
from building import *

TARGET = 'rtthread.' + rtconfig.TARGET_EXT

env = Environment(tools = ['mingw'],
    AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
    CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,
    AR = rtconfig.AR, ARFLAGS = '-rc',
    LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
env.PrependENVPath('PATH', rtconfig.EXEC_PATH)

if rtconfig.PLATFORM == 'iar':
    env.Replace(CCCOM = ['$CC $CCFLAGS $CPPFLAGS $_CPPDEFFLAGS $_CPPINCFLAGS -o $TARGET $SOURCES'])
    env.Replace(LINKCOM = ['$LINK $SOURCES $LINKFLAGS -o $TARGET --map project.map'])
    env.Replace(ARFLAGS = '')

Export('RTT_ROOT')
Export('rtconfig')

# prepare building environment
objs = PrepareBuilding(env, RTT_ROOT)

# make a building
DoBuilding(TARGET, objs)
